<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>POST方法</title>
</head>
<body>

        <center><h1>Post方法</h1></center>

        <center>
            <form action="{{ url_for('demo01') }}" method="POST">

                姓名: <input type="text" name="name"><br>

                年龄: <input type="text" name="age"><br>

                <button>提交</button>
            </form>
        </center>

</body>
</html>